adding pcl & cython versions to README
OctreePointCloudSearch definition added
Merge remote-tracking branch 'origin'
radius_search + helper function to_point_t
adding pcl & cython versions to README
OctreePointCloudSearch definition added
radius_search + helper function to_point_t
Merge pull request #4 from psporysz/octree_search

Add OctreePointCloudSearch

Currently only radius search is implemented, new methods coming soon.
Array/list IO speedups

It's much faster to import/export data using numpy arrays than to use lists. Arrays can not be returned ~400x faster than before.

--Example speed test--
import numpy as np
import pcl
p = pcl.PointCloud()
x = np.random.randint(0,1000,[100000,3])
p.from_array(x.astype(np.float32))
%timeit p.to_array()
%timeit p.to_list()

-- Comparison of old to_array() function versus the new version --
Before: 525ms
Now: 1.25 ms
Merge pull request #7 from colincsl/c88aa130984db1abd1a60b8b8e12dcda55a4f78d

Faster array/list IO
Ignore so and log
Primitive types note
Update readme.rst
Ignore so and log
Primitive types note
Update readme.rst
Merge branch 'master' of https://github.com/psporysz/python-pcl
Vagrant support
Merge branch 'master' into compute_pc

Conflicts:
	pcl.pyx
	tests/test.py
Merge remote-tracking branch 'origin/compute_pc' into compute_pc